rr

Help Contents Graphics Relative Turtle Motion rr
rightRoll upPitch

rightRoll angle
rr angle

Rolls the turtle (on to his right side) around the forward vector by the specified angle, measured in degrees (1/360 of a circle). This command is designed to run in perspective mode.

Example: 

perspective
rr 45
repeat 3 [fd 100 rt 120]

Example:

References:

rightRoll upPitch